APA (7th ed.) Citation

Fischer, O. F. (1957). Five mathematical structural models in natural philosophy with technical physical quaternions. Axion Institute.

Chicago Style (17th ed.) Citation

Fischer, Otto F. Five Mathematical Structural Models in Natural Philosophy with Technical Physical Quaternions. Stockholm: Axion Institute, 1957.

MLA (9th ed.) Citation

Fischer, Otto F. Five Mathematical Structural Models in Natural Philosophy with Technical Physical Quaternions. Axion Institute, 1957.